AutoDesk has released a new SketchBook app for IPHONE and IPAD/Android, AutoDesk SketchBook Mobile. SketchBook use the entire screen of your device as a canvas and features many customization options for brushes and colors. SketchBook wants to provide a powerful creation experience. you can customize your own brushes, adjusting everything from radius, rotation, and opacity. There are also ten preset brushes that include pens, pencils, and markers. You can zoom into your creation up to 2,500%. With a $3.99 purchase of the Pro Tools, you’ll get a collection of over 100 presets, full layer controls, advanced selection tools, and more. SketchBook Mobile is available for IPHONE and IPAD/Android on the App Store/Google Play Store right now. Free – Download Now